The future of AI might be decided not by who builds the smartest agent, but by who gets them talking. Recently, Google quietly kicked off what many are already calling a “protocol war” by launching A2A (Agent-to-Agent), its open standard for AI agent communication. The move comes just days after OpenAI publicly adopted Anthropic’s MCP (Model Context Protocol), which has rapidly become the go-to for tool integration with AI models.

So now, the internet has two new AI protocols, two massive companies backing them, and one giant question: Do we really need both?

Announced on April 9, Google’s A2A is designed to help AI agents communicate and collaborate with one another across vendors and platforms. Think of it as WhatsApp for bots. Agents using A2A share a “public card” with their capabilities, host info, and version. They can then interact using methods like........

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